- Convenient probe tip protection and storage
- Sharp tip for punching through flex duct
- Temperature range: -58°F to 392°F
The SPK1 Pocket Knife Style Thermometer features a sharp tip for punching through flex dust and hangs easily from a vent or thermostat. Pull out the probe rod just like you would a pocketknife. 16 detent position grooves hold the rod at virtually at any angle. The probe rod folds away simply with no cover sleeve to lose. Temperature range: -58 °F to 392 °F.